Aloha. Thanks for your response here. There are actually entire regions of the world that Ebay won't allow to use their services - even within otherwise accepted nations. For example, there is a particular region of Mexico that Ebay simply will not deliver to - despite actually allowing the users to transact.. I discovered this last year and it is not public information - they tell you only when you query why the international shipping program won't work properly. My point is that generally thinking that 'people are good' is a huge denial of the reality that there are large and highly organised gangs of fraudsters operating online - they are like locusts in fact!

I will think about solutions, though I imagine there are only so many and Ebay probably has found the optimal ones for a system that doesn't include a blockchain. I imagine a blockchain based improvement would incentivize checking somehow - perhaps paying couriers a bonus for the service or something like that.. but that might be complicated.